Switching

Hey Guys, I hope someone with better spanning tree knowledge can help me out here. I will show you the picture of the network first and this medium size network is mostly in VLAN 1.The first thing that I was triggered to is there is excessive unicast...

Hi,                   Can any one please help me to clear my confustion on MLS. As far us I can understand MLS can forward based on L3/4 information. Two types are are Route cache and CEF based. Nowdays , MLS uses CEF based architecture- Using FIB an...

                   Hi community,we have an issue with some NIC-cards connecting to a new standard switch device.Switch device is: WS-C4506-E sw. 12.2.53.SG1Modules:1     6  Sup 6L-E 10GE (X2), 1000BaseX (SFP)    WS-X45-SUP6L-E2    48  10/100/1000Base...

Hi all :I have configured the EtherChannel in a network. This is a Dynamic Network by using switches. The problem now I have is if between two switches with Dynamic Routing and there is EtherChannel for two ports (just a minimum 2 lines port-channel)...

Hi All,Some ARP issue need some urgent help...My VPN gateway which has almost 50 tunnels lost connetivity to peers.VPN ASA 5520 firewall's outside connected to cisco 3750 stack (12.2(52)SE) , its our internet L3 switch which connects to internet rout...

Currently we  have deployed Windows 7, with sleep mode enable after x amount of inactivity. We also utilize port-security, when a computer goes to sleep and is awaken, it generates a 0000.0000.0000 MAC address and port security disables the port. %PO...

Hello!I cant find a "glbp client-cache", it is available in principle this type of devices?c4506-1(config-if)#glbp 204 ?  authentication  Authentication method  forwarder       Forwarder configuration  ip              Enable group and set virtual IP ...

We have a stack with three 3750 48 Port 10/100 PoE switches and on 3750G 24 port PoE switch. The 1Gb uplink for the stack is on the 1st 48 port (member 2) of the stack. Running the 12.2 (55) K-9 code.The master in the stack (Member 3) appeared to be ...

Hi all,I would like to setup some ports on this EHWIC module / 2901 router to support QinQ. However, the mtu command is missing, hence I am unable to increase this to support the extra VLAN tags. Is the command different for this add-on module as it ...

I have CME on Router 2800 series, and switch 2960 PoE connected to this router.On 2960 switch, there is existing 7945 IP Phone that already work properly and get IP 14.x.x.x from voice vlan 2.Problem is when I add cisco 6921 IP Phone connect to 2960 ...

Cisco C2960S IOS:12.2(55)SE5Cisco C3560X IOS: 12.2(55)SE3The 3560 switch is serving as an access and distribution layer switch. End devices are connected to it and it also implements IP routing via SVI and L3 ports.Auto qos voice cisco-phone has been...

Hello Everyone,We are expanding out LAN network wi th more 2960 access switches. All the access switches are suppose to be connected to core switch (4507R) but i have less port on the core switch. On the core switch we have two supervisor engines (WS...